There’s a P&L adjustment for the CA eWaste Fee (MarketplaceFacilitatorRegulatoryFee-Principal) from the Amazon settlement report.
We have added a custom setting for Shipstation ‘ShipStation Send Original ProductID’. Make sure to enable the Client Setting Enable Custom Company Settings in your Client Settings.
Refund Confirmation emails are now controllable per channel under Email Rules using settings for “Payment/Refund Confirmation”.
We have added support for email placeholders #?FromName?# #?FromEmail?# when sending emails from orders.
A new setting “Show if order is 3rd party” has been added. When enabled it will display “3rd party” at the end of the service display name when loading orders for better readability and clear workflow.
A new option was added on the General tab to print labels and invoices in one command. This works for UPS and Fedex in thermal format only.
Client setting “Predictive Restocking: Include Ship Via FBA Orders” added to include Multi-Channel Fulfillment orders into the Predictive Restocking for FBA calculation.
There is a new client setting called “Prioritize Picked Orders in Backorder Calculation” 
Amazon Customer-initiated Replacement Orders will now come in with a discount instead of a false payment record. 
A new setting “Use One Rate by default” has been added as a subsetting of “Enable One Rate by default”. It will be set to true by default and can be manually disabled if needed.